I was doing an automatic upgrade to 3.1.1 and the connection was interrupted... Ugghhh... and then I received the message:
"Briefly unavailable for scheduled maintenance. Check back in a minute."
and I could not access the admin panel or anything or attempt continue the upgrade.
I did some reading and deleted the .maintenance file and now I am getting:
"Call to undefined function require_wp_db()"
Arrgghhh!
Does someone have a clue?
I am running this on a Dreamhost account and I have FTP access....